IT1017633B - AUTOMATIC SEQUENTIAL HYDRAULIC CONTROL DEVICE - Google Patents

AUTOMATIC SEQUENTIAL HYDRAULIC CONTROL DEVICE

Info

Publication number
IT1017633B
IT1017633B IT23308/74A IT2330874A IT1017633B IT 1017633 B IT1017633 B IT 1017633B IT 23308/74 A IT23308/74 A IT 23308/74A IT 2330874 A IT2330874 A IT 2330874A IT 1017633 B IT1017633 B IT 1017633B
Authority
IT
Italy
Prior art keywords
control device
hydraulic control
automatic sequential
sequential hydraulic
automatic
Prior art date
Application number
IT23308/74A
Other languages
Italian (it)
Original Assignee
Sepan Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sepan Srl filed Critical Sepan Srl
Application granted granted Critical
Publication of IT1017633B publication Critical patent/IT1017633B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0251—Elements specially adapted for electric control units, e.g. valves for converting electrical signals to fluid signals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
    • F16H61/0265—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
    • F16H61/0267—Layout of hydraulic control circuits, e.g. arrangement of valves
    • F16H61/0269—Layout of hydraulic control circuits, e.g. arrangement of valves characterised by low integration or small number of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0293—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being purely mechanical
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19219—Interchangeably locked
    • Y10T74/19251—Control mechanism
    • Y10T74/19256—Automatic
    • Y10T74/1926—Speed responsive

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Control Of Fluid Pressure (AREA)
  • Control Of Fluid Gearings (AREA)
IT23308/74A 1973-05-29 1974-05-28 AUTOMATIC SEQUENTIAL HYDRAULIC CONTROL DEVICE IT1017633B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7319544A FR2231871B1 (en) 1973-05-29 1973-05-29

Publications (1)

Publication Number Publication Date
IT1017633B true IT1017633B (en) 1977-08-10

Family

ID=9120202

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23308/74A IT1017633B (en) 1973-05-29 1974-05-28 AUTOMATIC SEQUENTIAL HYDRAULIC CONTROL DEVICE

Country Status (6)

Country Link
US (1) US3976159A (en)
JP (1) JPS50132395A (en)
DE (1) DE2426148A1 (en)
FR (1) FR2231871B1 (en)
GB (1) GB1467328A (en)
IT (1) IT1017633B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2050646B (en) * 1979-06-15 1983-04-13 Sperry Rand Corp Hydraulic actuator controls

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1580549A1 (en) * 1966-08-02 1970-12-23 Porsche Kg Electric switching device for change gears of vehicles, especially motor vehicles
JPS4820348B1 (en) * 1968-10-30 1973-06-20
DE1917291A1 (en) * 1969-04-03 1970-10-15 Daimler Benz Ag Pressure control device for hydraulically switched automatic transmissions, especially for motor vehicles
US3621735A (en) * 1969-12-15 1971-11-23 Ford Motor Co Electronically operated hydraulic controls
JPS4838577B1 (en) * 1970-12-01 1973-11-19
JPS4838581B1 (en) * 1970-12-27 1973-11-19
US3768338A (en) * 1971-12-27 1973-10-30 Ford Motor Co Coasting downshift control valve for an automatic power transmission control valve circuit

Also Published As

Publication number Publication date
US3976159A (en) 1976-08-24
GB1467328A (en) 1977-03-16
FR2231871B1 (en) 1976-05-07
FR2231871A1 (en) 1974-12-27
DE2426148A1 (en) 1974-12-19
JPS50132395A (en) 1975-10-20

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